If you sell virtual products like services, you probably will prefer to skip the processing status, WooCommerce automatically completes paid orders of Virtual & Downloadable products, but it does not autocomplete Virtual Orders. If you sell Virtual products that are not downloadable, you probably want to skip the Processing order status and automatically set paid virtual …
WooCommerce uses the Completed order status for all types of orders, regardless if the order is for Virtual products or physical products. But when your you sell both virtual and physical products on your store, you will want to have a different orders flow and email notifications for your Virtual orders than the orders flow …